| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 38 |
3.2%
|
| 1 | A great deal | 388 |
32.3%
|
| 2 | Quite a lot | 709 |
59.1%
|
| 3 | Not very much | 55 |
4.6%
|
| 4 | None at all | 10 |
0.8%
|